Troubleshooting by Error Codes SiUS281811EA
222 Part 6 Service Diagnosis
Troubleshooting
∗1. Check the following connectors.
CHECK 16 Refer to page 306.
Properly connect the connector.
NO
Is the
connector properly
connected to the indoor
unit main PCB?
(1)
Replace the fan motor.
NO
YES
By
disconnecting the
connector, the fan can be
lightly rotated by
hand.
Remove the foreign matter.
YES
YES
NO
Are there
any foreign matter
around the fan?
YES
NO
Is the
resistance between
the pins less than the
judgment criteria?
Replace the indoor unit main
PCB (A1P).
CHECK 16
Disconnect the connector
from the fan motor, and then
make measurement of
resistance between pins.
Turn OFF the power
supply, and then wait for
a period of 10 minutes.
Replace the fan motor and the
indoor unit main PCB (A1P).
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Model Connector
FCQ-TA X20A, Relay connector
FAQ-TA X20A
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